Résultats de la recherche
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US plans for fishing for crab in Subarea 48.3 in accordance with Conservation Measures 150/XVII and 151/XVII
Author(s): Delegation of the USA Title: US plans for fishing for crab in Subarea 48.3 in ... accordance with Conservation Measures 150/XVII and 151/XVII Approval: Approved ...
Meeting Document : CCAMLR-XVIII/BG/30 : Auteur(s): Delegation of the USA
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... in 2003. It is suggested in this paper that the ability of penguins to cope with severe short-term ... weather events could be reduced when longer-term events, such as anomalies in the persistence of sea-ice ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... found in the mean duration of the second incubation shift. Hatching occurred on average between 16 and ... poor condition. In fact the mean body mass of adults was uniformly lower throughout the entire chick ... caused the drop in mean adult mass, as well as the increased duration of foraging trips in 2003 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
of concentrations of krill (Butterworth, 1988; Mangel, 1988) in a given region of the Southern Ocean ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ... Paper Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ... number of concentrations and analytical justification for search data Abstract / Description: In this ... , 1988) in a given region of the Southern Ocean. Sample computations are performed, using data ... correcting for the bias in the detection of concentrations is described. Resume Dans ce document, je ... supported by the analysis of field data (Levin et al., 1989); the notation used in the models will be ... vessels that can be used to estimate the number of concentrations in a sector of the ocean and that Japan ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Auteur(s): Mangel, M.
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Calendrier 2016 de la CCAMLR
Commission for the Conservation of Antarctic Marine ... day of nautical twilight, sunrise and sunset at twelve locations in and around the Southern Ocean ... 31 December 2016. The time of day is plotted in Coordinated Universal Time (UTC). The local time of ... Measure 25-02 which aims to protect seabirds in the course of longline fishing. JANUARY 2016 Eyal ... through to the end of 2016. Each month features a beautiful Antarctic image by photographers John Weller ... images belongs to the attributed photographers. Enquiries regarding other uses of these images can be ... Description / Abstract: CCAMLR has created a wall calendar for the 2015/16 fishing season and ... , Karl-Hermann Kock, Volker Siegel, Eyal Kaplan, Clifford Hoang and Nicolas Gasco. The calendar includes ...
Document : Site Section: Publications
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A balanced model of the food web of the Ross Sea, Antarctica
recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food web ... Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description ... : A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates quantitative ... consistency. The model has 38 trophic groups and is balanced in terms of annual flows of organic carbon in an ... average recent year (1990–2000). The focus of the model is on the role of Antarctic toothfish in the food ... %), components of the model. Trophic levels are in close agreement with those derived from isotope and other ... establish monitoring of medium and small demersal fishes in the Ross Sea, and to model potential changes to ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
. Only once have spawners been observed in large numbers on the inner shelf: during the winter of 1991/92 ... Paper Title: New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of ... part of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock ... the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ... mid 1991, until they reached a mean size of 24/25 cm TL. All the fish below this limit were still in ... . Only once have spawners been observed in large numbers on the inner shelf: during the winter of 1991 ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ... period of one to two years, the bulk of the catches in the fishery, which is based only fish over three ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Auteur(s): Duhamel, G
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Preliminary assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b), based on the analysis of fine-scale catch and effort data
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... the initial exploration of the C2 fine scale catch and effort data held by CCAMLR for the fishery in ...
Meeting Document : WG-FSA-07/44 : Auteur(s): J.P. McKinlay, D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Changing status of three notothenioid fish at the South Shetland Islands (1983–2016) after impacts of the 1970–80s commercial fishery
2007 and 2012 around the South Shetland Islands: (1) continued increase in the abundance of N. rossii ... but seemingly relate to the dramatically changing ecosystem of the region due in part to climate as ... with trends reported in seabirds that feed on juveniles of these notothenioids: decrease in the areas ... commercially fished. Under the regulation of CCAMLR, commercial fishing for finfish in the South Shetland ...
Meeting Document : WG-FSA-17/P01 : Auteur(s): E. Barrera-Oro, E. Marschoff and D. Ainley
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Exploratory longline fishing around the Kerguelen Islands (Division 58.5.1). Description of the fishing effort; catchability and target size of Dissostichus eleginoides
fact that fish become unhooked along the side of the ship, which leads to a real catchability value in ... in 1991/92) and that of females (L = 98.70 cm in 1.990/91 and 98.61 cm in 1991/92). The sex ratio is ... fishing over the western shelf break of the Kerguelen shelf (Division 58.5.1). Scientific monitoring of ... . Bottom longlines are generally used at depths of 400 to 600 m. The mainline (1 to 2 miles long) carries ...
Meeting Document : WG-FSA-92/31 Rev. 1 : Auteur(s): G. Duhamel (France)
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Network characterisation of the food-web of the Ross Sea, Antarctica
toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ... pronounced peak in biomass in the lower-middle part of the food-web, a result of high biomass of ... of ecological importance’ in the food-web of the Ross Sea are phytoplankton, mesozooplankton ... a moderate index of ecological importance in the food-web of the Ross Sea shelf and slope. Changing ...
Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)